1031230542 has 16 divisors (see below), whose sum is σ = 2080714320. Its totient is φ = 340701312.

The previous prime is 1031230513. The next prime is 1031230547. The reversal of 1031230542 is 2450321301.

It is a super-2 number, since 2×1031230542² = 2126872861507227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031230547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759817 + ... + 761172.

It is an arithmetic number, because the mean of its divisors is an integer number (130044645).

Almost surely, 2^1031230542 is an apocalyptic number.

1031230542 is an abundant number, since it is smaller than the sum of its proper divisors (1049483778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031230542 is a wasteful number, since it uses less digits than its factorization.

1031230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521107.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1031230542 is about 32112.7784845846. The cubic root of 1031230542 is about 1010.3036508167.

Adding to 1031230542 its reverse (2450321301), we get a palindrome (3481551843).

The spelling of 1031230542 in words is "one billion, thirty-one million, two hundred thirty thousand, five hundred forty-two".